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author | Martin Liska <mliska@suse.cz> | 2016-08-09 22:57:14 +0200 |
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committer | Martin Liska <marxin@gcc.gnu.org> | 2016-08-09 20:57:14 +0000 |
commit | dcb1e1379ea52c33e5025d6e5842c43888888afa (patch) | |
tree | 187f4b8334dcc9b7d561d703c32cb57e5646f3a5 /libgcc | |
parent | 54b367dbd22e07e734a8632484e763bea16ced87 (diff) | |
download | gcc-dcb1e1379ea52c33e5025d6e5842c43888888afa.zip gcc-dcb1e1379ea52c33e5025d6e5842c43888888afa.tar.gz gcc-dcb1e1379ea52c33e5025d6e5842c43888888afa.tar.bz2 |
Fix POW2 histogram
* gcc.dg/tree-prof/val-prof-8.c: New test.
* value-prof.c (dump_histogram_value): Swap pow2 and non-pow2
values.
* libgcov-profiler.c (__gcov_pow2_profiler): Consider 0 as not
power of two.
From-SVN: r239304
Diffstat (limited to 'libgcc')
-rw-r--r-- | libgcc/ChangeLog | 5 | ||||
-rw-r--r-- | libgcc/libgcov-profiler.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index aa9400d..5b05a7c 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,8 @@ +2016-08-09 Martin Liska <mliska@suse.cz> + + * libgcov-profiler.c (__gcov_pow2_profiler): Consider 0 as not + power of two. + 2016-07-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com> * config/rs6000/_divkc3.c: Add copyright/license boilerplate. diff --git a/libgcc/libgcov-profiler.c b/libgcc/libgcov-profiler.c index e9471883..6da8a94 100644 --- a/libgcc/libgcov-profiler.c +++ b/libgcc/libgcov-profiler.c @@ -53,7 +53,7 @@ __gcov_interval_profiler (gcov_type *counters, gcov_type value, void __gcov_pow2_profiler (gcov_type *counters, gcov_type value) { - if (value & (value - 1)) + if (value == 0 || (value & (value - 1))) counters[0]++; else counters[1]++; |